National Museum of Nuclear Science & History
J. P. Baxter worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
Alvin Vanvessem was a member of the Special Enginner Detatchment (SED) at Los Alamos during the Manhattan Project.
L. Krug worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.